Home / 19,764.07-27,274.03-10,811.55

Finding the Fourth Proportional to 19,764.07, 27,274.03 and 10,811.55

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Solution

The fourth proportional to 19,764.07, 27,274.03 and 10,811.55 is: 14,919.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,764.07 : 27,274.03 = 10,811.55 : x
  2. Step 2: Convert to fraction form
    19,764.07/27,274.03 = 10,811.55/x
  3. Step 3: Cross multiply
    19,764.07x = 27,274.03 × 10,811.55
  4. Step 4: Simplify right side
    19,764.07x = 294,874,539.05
  5. Step 5: Solve for x
    x = 294,874,539.05/19,764.07
  6. Step 6: Final answer
    x = 14,919.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.